233 lines
10 KiB
Text
233 lines
10 KiB
Text
2022-01-21 Antonio Diaz Diaz <antonio@gnu.org>
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* Version 1.23 released.
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* Decompression time has been reduced by 5-12% depending on the file.
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* main_common.cc (getnum): Show option name and valid range if error.
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* dump_remove.cc (dump_members): Check tty except for --dump=tdata.
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* Option '-U, --unzcrash' now takes an argument ('1' or 'B<size>').
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* mtester.cc (duplicate_buffer): Use an external buffer.
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* repair.cc (debug_decompress): Continue decoding on CRC mismatch.
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* unzcrash.cc: Make zcmp_command a string of unlimited size.
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Use execvp instead of popen to avoid invoking /bin/sh.
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Print byte or block position in messages.
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* New file common.h.
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* Improve several descriptions in manual, '--help', and man page.
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* lziprecover.texi: Change GNU Texinfo category to 'Compression'.
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(Reported by Alfred M. Szmidt).
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2021-01-02 Antonio Diaz Diaz <antonio@gnu.org>
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* Version 1.22 released.
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* New options '-e, --reproduce', '--lzip-level', '--lzip-name',
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'--reference-file', and '-E, --debug-reproduce'.
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* Remove '--dump-tdata', '--remove-tdata', and '--strip-tdata'.
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* main.cc (main): Report an error if a file name is empty.
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Make '-o' behave like '-c', but writing to file.
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Make '-c' and '-o' check whether the output is a terminal only once.
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Do not open output if input is a terminal.
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* main.cc (decompress): With '-i', ignore data errors, keep files.
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* range_dec.cc: '-i -D' now decompresses a truncated last member.
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* '-i -D' now returns 0 if only ignored errors are found.
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* '-i' now considers any block > 36 with header a member, not a gap.
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* Replace 'decompressed', 'compressed' with 'out', 'in' in output.
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* Fix several compiler warnings. (Reported by Nissanka Gooneratne).
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* lzip_index.cc: Improve messages for corruption in last header.
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* New debug options '-M, --md5sum' and '-U, --unzcrash'.
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* main.cc: Set a valid invocation_name even if argc == 0.
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* Document extraction from tar.lz in manual, '--help', and man page.
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* New files lunzcrash.cc, md5.h, md5.cc, nrep_stats.cc, reproduce.cc.
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* lziprecover.texi: New chapter 'Reproducing one sector'.
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New sections 'Merging with a backup' and 'Reproducing a mailbox'.
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Document the debug options for experts.
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* check.sh: Lzip 1.16 or newer is required to run the tests.
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* testsuite: Add 9 new test files.
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2019-01-04 Antonio Diaz Diaz <antonio@gnu.org>
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* Version 1.21 released.
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* Rename File_* to Lzip_*.
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* New options '--dump', '--remove', and '--strip'. They
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replace '--dump-tdata', '--remove-tdata', and '--strip-tdata',
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which are now aliases and will be removed in version 1.22.
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* lzip.h (Lzip_trailer): New function 'verify_consistency'.
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* lzip_index.cc: Lzip_index now detects gaps between members,
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some kinds of corrupt trailers and
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some fake trailers embedded in trailing data.
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* split.cc: Use Lzip_index to split members, gaps and trailing data.
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* split.cc: Verify last member before writing anything.
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* list.cc (list_files): With '-i', ignore format errors, show gaps.
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* range_dec.cc: With '-i', ignore a truncated last member.
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* main.cc (main): Check return value of close( infd ).
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* Improve and add new diagnostic messages.
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* Print '\n' instead of '\r' if !isatty( 1 ) in merge, repair.
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* main.cc: Compile on DOS with DJGPP.
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* lziprecover.texi: New chapter 'Tarlz'.
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* configure: Accept appending to CXXFLAGS; 'CXXFLAGS+=OPTIONS'.
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* INSTALL: Document use of CXXFLAGS+='-D __USE_MINGW_ANSI_STDIO'.
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* New test files fox.lz, fox6_sc[1-6].lz.
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2018-02-12 Antonio Diaz Diaz <antonio@gnu.org>
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* Version 1.20 released.
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* split.cc: Fix splitting of files > 64 KiB broken since 1.16.
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* New options '--dump-tdata', '--remove-tdata', '--strip-tdata', and
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'--loose-trailing'.
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* Improve corrupt header detection to HD=3.
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* main.cc: Show corrupt or truncated header in multimember file.
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* Replace 'bits/byte' with inverse compression ratio in output.
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* Show progress of decompression at verbosity level 2 (-vv).
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* Show progress of decompression only if stderr is a terminal.
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* main.cc: Show final diagnostic when testing multiple files.
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* decoder.cc (verify_trailer): Show stored sizes also in hex.
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Show dictionary size at verbosity level 4 (-vvvv).
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2017-04-10 Antonio Diaz Diaz <antonio@gnu.org>
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* Version 1.19 released.
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* merge.cc: Fix members with thousands of scattered errors.
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* Option '-a' now works with '-l' and '-D'.
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* The output of option '-l, --list' has been simplified.
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* main.cc: Continue testing if any input file is a terminal.
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* main.cc: Show trailing data in both hexadecimal and ASCII.
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* lzip_index.cc: Improve detection of bad dict and trailing data.
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* lzip_index.cc: Skip trailing data more efficiently.
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* lzip.h: Unify messages for bad magic, trailing data, etc.
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* New struct Bad_byte allows delta and flip modes for bad_value.
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* unzcrash.cc: New option '-e, --set-byte'.
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2016-05-12 Antonio Diaz Diaz <antonio@gnu.org>
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* Version 1.18 released.
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* New option '-a, --trailing-error'.
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* merge.cc (open_input_files): Use CRC to test identical files.
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* repair.cc (repair_file): Detect gross damage before repairing.
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* repair.cc: Repair a damaged dictionary size in the header.
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* repair.cc: Try bytes at offsets 7 to 11 first.
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* Decompression time has been reduced by 2%.
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* main.cc (decompress): Print up to 6 bytes of trailing data
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when '-tvvvv' is specified.
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* decoder.cc (verify_trailer): Remove test of final code.
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* main.cc (main): Delete '--output' file if infd is a terminal.
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* main.cc (main): Don't use stdin more than once.
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* Use 'close_and_set_permissions' and 'set_signals' in all modes.
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* range_dec.cc (list_file): Show dictionary size and size of
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trailing data (if any) with '-lv'.
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* New options '-A, --alone-to-lz', '-W, --debug-decompress', and
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'-X, --show-packets'.
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* Change short name of option '--debug-delay' to '-Y'.
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* Change short name of option '--debug-repair' to '-Z'.
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* unzcrash.cc: New options '-B, --block', '-d, --delta',
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'-t, --truncate', and '-z, --zcmp'.
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* unzcrash.cc: Read files as large as RAM allows.
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* unzcrash.cc: Compare output using zcmp if decompressor returns 0.
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* unzcrash.cc: Accept negative position and size.
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* lziprecover.texi: New chapter 'Trailing data'.
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* configure: Avoid warning on some shells when testing for g++.
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* Makefile.in: Detect the existence of install-info.
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* check.sh: Don't check error messages.
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* check.sh: A POSIX shell is required to run the tests.
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2015-05-28 Antonio Diaz Diaz <antonio@gnu.org>
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* Version 1.17 released.
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* New block selection algorithm makes merge up to 100 times faster.
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* repair.cc: Repair time has been reduced by 15%.
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* New options '-y, --debug-delay' and '-z, --debug-repair'.
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* Makefile.in: New targets 'install*-compress'.
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* testsuite/unzcrash.cc: Move to top directory.
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* lziprecover.texi: New chapter 'File names'.
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2014-08-29 Antonio Diaz Diaz <antonio@gnu.org>
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* Version 1.16 released.
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* New class LZ_mtester makes repair up to 10 times faster.
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* main.cc (close_and_set_permissions): Behave like 'cp -p'.
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* lziprecover.texinfo: Rename to lziprecover.texi.
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* Change license to GPL version 2 or later.
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2013-09-14 Antonio Diaz Diaz <antonio@gnu.org>
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* Version 1.15 released.
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* repair.cc: Repair multimember files with up to one byte error
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per member.
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* merge.cc: Merge multimember files.
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* main.cc (show_header): Don't show header version.
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* lziprecover.texinfo: New chapters 'Repairing files',
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'Merging files', and 'Unzcrash'.
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2013-05-31 Antonio Diaz Diaz <antonio@gnu.org>
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* Version 1.14 released.
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* New option '-i, --ignore-errors'.
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* Option '-l, --list' now accepts more than one file.
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* Decompression time has been reduced by 12%.
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* split.cc: Use as few digits as possible in file names.
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* split.cc: In verbose mode show names of files being created.
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* main.cc (show_header): Show header version if verbosity >= 4.
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* configure: Options now accept a separate argument.
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* Makefile.in: New targets 'install-as-lzip' and 'install-bin'.
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* main.cc: Use 'setmode' instead of '_setmode' on Windows and OS/2.
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2012-02-24 Antonio Diaz Diaz <ant_diaz@teleline.es>
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* Version 1.13 released.
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* Lziprecover is now distributed in its own package. Until
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version 1.12 it was included in the lzip package. Previous
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entries in this file are taken from there.
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* lziprecover.cc: Rename to main.cc.
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* New files merge.cc, repair.cc, split.cc, and range_dec.cc.
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* main.cc: Add decompressor options (-c, -d, -k, -t) so that
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an external decompressor is not needed for recovery nor for
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"make check".
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* New option '-D, --range-decompress', which extracts a range of
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bytes decompressing only the members containing the desired data.
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* New option '-l, --list', which prints correct total file sizes
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even for multimember files.
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* merge.cc, repair.cc: Remove output file if recovery fails.
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* Change quote characters in messages as advised by GNU Standards.
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* split.cc: Use Boyer-Moore algorithm to search for headers.
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* configure: Rename 'datadir' to 'datarootdir'.
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2011-04-30 Antonio Diaz Diaz <ant_diaz@teleline.es>
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* Version 1.12 released.
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* lziprecover.cc: If '-v' is not specified show errors only.
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* unzcrash.cc: Use Arg_parser.
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* unzcrash.cc: New options '-b, --bits', '-p, --position', and
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'-s, --size'.
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2010-09-16 Antonio Diaz Diaz <ant_diaz@teleline.es>
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* Version 1.11 released.
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* lziprecover.cc: New option '-m, --merge', which tries to produce a
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correct file by merging the good parts of two or more damaged copies.
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* lziprecover.cc: New option '-R, --repair' for repairing a
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1-byte error in single-member files.
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* decoder.cc (decode_member): Detect file errors earlier to improve
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efficiency of lziprecover's new repair capability.
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This change also prevents (harmless) access to uninitialized
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memory when decompressing a corrupt file.
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* lziprecover.cc: New options '-f, --force' and '-o, --output'.
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* lziprecover.cc: New option '-s, --split' to select the until
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now only operation of splitting multimember files.
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* lziprecover.cc: If no operation is specified, warn the user and do
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nothing.
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2009-06-22 Antonio Diaz Diaz <ant_diaz@teleline.es>
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* Version 1.6 released.
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* lziprecover.1: New man page.
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* check.sh: Test lziprecover.
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2009-01-24 Antonio Diaz Diaz <ant_diaz@teleline.es>
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* Version 1.4 released.
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* Add 'lziprecover', a member recoverer program.
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* unzcrash.cc: Test all 1-byte errors.
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Copyright (C) 2009-2022 Antonio Diaz Diaz.
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This file is a collection of facts, and thus it is not copyrightable,
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but just in case, you have unlimited permission to copy, distribute, and
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modify it.
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